Question 1

Which statement best describes the difference between a muscle's origin and insertion?

Accepted Answer

The origin is the attachment to the stationary bone, while the insertion is attached to the moveable bone.

Question 2

During a biceps curl, which muscle acts as the antagonist?

Accepted Answer

Triceps brachii

Question 3

Which fascicle arrangement allows for the greatest range of motion but the least power?

Accepted Answer

Parallel

Question 4

A muscle named 'rectus femoris' is named based on which two criteria?

Accepted Answer

Direction of fibers and location

Question 5

Which muscle shape is best suited for generating the most force?

Accepted Answer

Multipennate

Question 6

If a muscle stabilizes the scapula during arm movement, what functional group does it belong to?

Accepted Answer

Fixator

Question 7

Which of the following is an example of a muscle named for its action?

Accepted Answer

Extensor digitorum longus

Question 8

A muscle with fascicles arranged in a circular pattern is most likely to:

Accepted Answer

Act as a sphincter to close an opening

Question 9

Which muscle is an example of a fusiform shape?

Accepted Answer

Biceps brachii

Question 10

If a muscle assists the prime mover by adding extra force or reducing unnecessary movement, it is called a:

Accepted Answer

Synergist

Question 11

Which of the following best explains why pennate muscles generate more force than parallel muscles?

Accepted Answer

Pennate muscles have more fibers packed into a given area, increasing cross-sectional area.

Question 12

A muscle named 'trapezius' is named based on which criterion?

Accepted Answer

Shape

Question 13

Which muscle would be classified as bipennate based on its fascicle arrangement?

Accepted Answer

Rectus femoris

Question 14

During extension of the forearm, which muscle acts as the prime mover?

Accepted Answer

Triceps brachii

Question 15

Which of the following muscles is named for both its location and its action?

Accepted Answer

Extensor digitorum longus

Question 16

If a muscle is named 'transversus abdominis', what does 'transversus' indicate?

Accepted Answer

The direction of its fibers

Question 17

Which equation best represents the relationship between muscle force ($$F$$), cross-sectional area ($$A$$), and specific tension ($$T$$)?

Accepted Answer

$$F = A 	imes T$$

Question 18

A muscle with multiple origins is likely to have which of the following in its name?

Accepted Answer

Biceps

Question 19

Which muscle shape is most likely to be found surrounding the mouth and eyes?

Accepted Answer

Circular

Question 20

Which of the following is an example of a muscle acting as a synergist during a biceps curl?

Accepted Answer

Brachialis

Chapter 11: Muscular System – Part 1 Study Notes

Study Guide - Practice Questions